Added an argument to set a column so that you can't sort by that column.

2000-07-31  Christopher James Lahey  <clahey@helixcode.com>

	* e-table-col.c, e-table-col.h: Added an argument to set a column
	so that you can't sort by that column.

	* e-table-header-item.c: Obey the sortable column of ETableCol.

svn path=/trunk/; revision=4439

4 files changed, 79 insertions, 23 deletions

diff --git a/widgets/e-table/ChangeLog b/widgets/e-table/ChangeLog
index 08775273c7..002a67617c 100644
--- a/widgets/e-table/ChangeLog
+++ b/widgets/e-table/ChangeLog
@@ -1,3 +1,10 @@
+2000-07-31  Christopher James Lahey  <clahey@helixcode.com>
+
+	* e-table-col.c, e-table-col.h: Added an argument to set a column
+	so that you can't sort by that column.
+
+	* e-table-header-item.c: Obey the sortable column of ETableCol.
+
 2000-07-29  Christopher James Lahey  <clahey@helixcode.com>
 
 	* e-table-click-to-add.c: Made enter key destroy and recreate the
diff --git a/widgets/e-table/e-table-col.c b/widgets/e-table/e-table-col.c
index 5a167a8940..e767aa5567 100644
--- a/widgets/e-table/e-table-col.c
+++ b/widgets/e-table/e-table-col.c
@@ -17,6 +17,12 @@
 
 static GtkObjectClass *parent_class;
 
+
+enum {
+	ARG_0,
+	ARG_SORTABLE,
+};
+
 static void
 etc_destroy (GtkObject *object)
 {
@@ -31,18 +37,53 @@ etc_destroy (GtkObject *object)
 	
 	(*parent_class->destroy)(object);
 }
-      
+ 
+
+static void
+etc_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
+{
+	ETableCol *etc = E_TABLE_COL (o);
+	
+	switch (arg_id){
+	case ARG_SORTABLE:
+		etc->sortable = GTK_VALUE_BOOL(*arg);
+		break;
+	}
+}
+
+static void
+etc_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
+{
+	ETableCol *etc = E_TABLE_COL (o);
+	
+	switch (arg_id){
+	case ARG_SORTABLE:
+		GTK_VALUE_BOOL(*arg) = etc->sortable;
+		break;
+	default:
+		arg->type = GTK_TYPE_INVALID;
+		break;
+	}
+}
+     
 static void
 e_table_col_class_init (GtkObjectClass *object_class)
 {
 	parent_class = gtk_type_class (PARENT_TYPE);
 	object_class->destroy = etc_destroy;
+	object_class->get_arg = etc_get_arg;
+	object_class->set_arg = etc_set_arg;
+
+	gtk_object_add_arg_type ("ETableCol::sortable",
+				 GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_SORTABLE);  
 }
 
 static void
 e_table_col_init (ETableCol *etc)
 {
 	etc->width = 0;
+	etc->sortable = 1;
+	etc->groupable = 1;
 }
 
 E_MAKE_TYPE(e_table_col, "ETableCol", ETableCol, e_table_col_class_init, e_table_col_init, PARENT_TYPE);
diff --git a/widgets/e-table/e-table-col.h b/widgets/e-table/e-table-col.h
index a7878fe4d7..39aeb26ba9 100644
--- a/widgets/e-table/e-table-col.h
+++ b/widgets/e-table/e-table-col.h
@@ -36,6 +36,8 @@ struct _ETableCol {
 	unsigned int is_pixbuf:1;
 	unsigned int selected:1;
 	unsigned int resizeable:1;
+	unsigned int sortable:1;
+	unsigned int groupable:1;
 	int          col_idx;
 
 	ETableColArrow arrow;
diff --git a/widgets/e-table/e-table-header-item.c b/widgets/e-table/e-table-header-item.c
index 173256c8bd..fc4947293e 100644
--- a/widgets/e-table/e-table-header-item.c
+++ b/widgets/e-table/e-table-header-item.c
@@ -1150,9 +1150,11 @@ ethi_popup_customize_view(GtkWidget *widget, EthiHeaderInfo *info)
 {
 }
 
+/* Bit 1 is always disabled. */
+/* Bit 2 is disabled if not "sortable". */
 static EPopupMenu ethi_context_menu [] = {
-	{ "Sort Ascending",            NULL, GTK_SIGNAL_FUNC(ethi_popup_sort_ascending),  0},
-	{ "Sort Descending",           NULL, GTK_SIGNAL_FUNC(ethi_popup_sort_descending), 0},
+	{ "Sort Ascending",            NULL, GTK_SIGNAL_FUNC(ethi_popup_sort_ascending),  2},
+	{ "Sort Descending",           NULL, GTK_SIGNAL_FUNC(ethi_popup_sort_descending), 2},
 	{ "Unsort",                    NULL, GTK_SIGNAL_FUNC(ethi_popup_unsort),          0},
 	{ "",                          NULL, GTK_SIGNAL_FUNC(NULL),                       0},
 	{ "Group By This Field",       NULL, GTK_SIGNAL_FUNC(ethi_popup_group_field),     0},
@@ -1173,9 +1175,11 @@ static void
 ethi_header_context_menu (ETableHeaderItem *ethi, GdkEventButton *event)
 {
 	EthiHeaderInfo *info = g_new(EthiHeaderInfo, 1);
+	ETableCol *col;
 	info->ethi = ethi;
 	info->col = ethi_find_col_by_x (ethi, event->x);
-	e_popup_menu_run (ethi_context_menu, event, 1, info);
+	col = e_table_header_get_column (ethi->eth, info->col);
+	e_popup_menu_run (ethi_context_menu, event, 1 + (col->sortable ? 0 : 2), info);
 }
 
 static void
@@ -1310,29 +1314,31 @@ ethi_event (GnomeCanvasItem *item, GdkEvent *e)
 					break;
 				}
 			}
-			if (!found) {
-				length = e_table_sort_info_sorting_get_count(ethi->sort_info);
-				for (i = 0; i < length; i++) {
-					ETableSortColumn column = e_table_sort_info_sorting_get_nth(ethi->sort_info, i);
-					if (model_col == column.column){
-						int ascending = column.ascending;
-						ascending = ! ascending;
-						column.ascending = ascending;
-						e_table_sort_info_sorting_set_nth(ethi->sort_info, i, column);
-						found = 1;
-						break;
+			if(col->sortable) {
+				if (!found) {
+					length = e_table_sort_info_sorting_get_count(ethi->sort_info);
+					for (i = 0; i < length; i++) {
+						ETableSortColumn column = e_table_sort_info_sorting_get_nth(ethi->sort_info, i);
+						if (model_col == column.column){
+							int ascending = column.ascending;
+							ascending = ! ascending;
+							column.ascending = ascending;
+							e_table_sort_info_sorting_set_nth(ethi->sort_info, i, column);
+							found = 1;
+							break;
+						}
 					}
 				}
-			}
-			if (!found) {
-				ETableSortColumn column = { model_col, 1 };
-				length = e_table_sort_info_sorting_get_count(ethi->sort_info);
-				if (length == 0)
-					length++;
-				e_table_sort_info_sorting_set_nth(ethi->sort_info, length - 1, column);
+				if (!found) {
+					ETableSortColumn column = { model_col, 1 };
+					length = e_table_sort_info_sorting_get_count(ethi->sort_info);
+					if (length == 0)
+						length++;
+					e_table_sort_info_sorting_set_nth(ethi->sort_info, length - 1, column);
+				}
 			}
 		}
-
+		
 		if (needs_ungrab)
 			gnome_canvas_item_ungrab (item, e->button.time);